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Does your server choke when you’re writing millions of cells into a worksheet? Light on its feet.ĭo you dread writing code to automate the creation of Microsoft Excel spreadsheets? Do you hate your user for asking you to make one simple styling change? (“It’s just changing the cell background color!”, she says). See benchmarks of how SpreadsheetLight perform in speed and memory use. You can do all that with just a few lines of code.ĭownload it now. Read in an existing Excel spreadsheet, modify an existing spreadsheet, or just create a new spreadsheet from scratch. It literally took me half the time to learn the syntax as I would one such library and a fraction of the time to know what I can/cannot do. After weeks of unsuccessfully trying every spreadsheet library for my project I could find and running into road blocks (crashes and errors) I finally came across SpreadsheetLight. I even tried compiling other libraries source code from scratch. Yours is effortless, concise and lightweight, which is VERY good. I battled for MONTHS with other bloated spreadsheet libraries and found them so cumbersome. Thanks for writing such an awesome and stupendous library. I really love the approach it takes and how well it has worked for us. We have used SpreadsheetLight internally for our reporting work for a few years now. Just like magic, it worked immediately, out of the box, no muss, no fuss, and no headache. You do not need Microsoft Office/Excel to be installed. You can create new Open XML spreadsheets, or work with existing Open XML spreadsheets that are compatible with Microsoft Excel 2007/2010/2013 and LibreOffice Calc. NET Framework written in C#, and is released under the MIT License. You can then edit and save the new document just as you would any other document.SpreadsheetLight is an open source Open XML spreadsheet library for. The Templates and Documents dialog closes and a new document based on the selected template opens in Calc. The template’s properties appear in the box on the right. To view the template’s properties, click the Document Properties icon.A preview of the template appears in the box on the right. To preview the template, click the Preview icon.You can preview the selected template or view the template’s properties: Select the template that you want to use.A list of all the templates contained in that folder appears in the center box. Double-click the folder that contains the template that you want to use.

A list of template folders appears in the center box. In the box on the left, click the Templates icon if it is not already selected.(See below for the Windows version of this dialog.) The Templates and Documents dialog opens. From the main menu, choose File > New > Templates and Documents.